Over the past 25 years, lining/coating concrete has become more common, particularly in aggressive environments like wastewater applications. Concrete in these environments deteriorates at increasingly rapid rates. Prolonged wastewater detention times and environmental regulations have resulted in elevated H₂S concentrations as influent septicity has risen. Sulfuric acid (H₂SO₄), formed by a series of biological processes, attacks the portland cement paste causing the condition depicted below.  Continue reading Everyone Wins with Mortarchem →